[ServiceWorker] Fetch event should return integrity value

content/browser/service_worker/service_worker_request_handler.h

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_REQUEST_HANDLER_H_
 #define CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_REQUEST_HANDLER_H_
 
 #include <memory>
 
 #include "base/callback_forward.h"
@@ skipping 78 matching lines @@
   static void InitializeHandler(
       net::URLRequest* request,
       ServiceWorkerContextWrapper* context_wrapper,
       storage::BlobStorageContext* blob_storage_context,
       int process_id,
       int provider_id,
       bool skip_service_worker,
       FetchRequestMode request_mode,
       FetchCredentialsMode credentials_mode,
       FetchRedirectMode redirect_mode,
+      const std::string& integrity,
       ResourceType resource_type,
       RequestContextType request_context_type,
       RequestContextFrameType frame_type,

[falken, 2017/07/07 00:56:11]

(not related to your CL, but we should group all these params into a struct
someday)

       scoped_refptr<ResourceRequestBody> body);
 
   // Returns the handler attached to |request|. This may return NULL
   // if no handler is attached.
   static ServiceWorkerRequestHandler* GetHandler(
       const net::URLRequest* request);
 
   // Creates a protocol interceptor for ServiceWorker.
   static std::unique_ptr<net::URLRequestInterceptor> CreateInterceptor(
       ResourceContext* resource_context);
@@ skipping 49 matching lines @@
   std::unique_ptr<ServiceWorkerProviderHost> host_for_cross_site_transfer_;
   int old_process_id_;
   int old_provider_id_;
 
   DISALLOW_COPY_AND_ASSIGN(ServiceWorkerRequestHandler);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_REQUEST_HANDLER_H_